Ricoh SAVIN D0AP Service Manual page 349

3.
Disconnect the harness, and then pull out the interface cover [A] to remove it.
4.
Remove the FCU [A].
5.
Attach the jumper [A] on the removed FCU board [B]. The jumper comes with the new FCU
board.
6.
Change the position of the battery jumper [A] on the new FCU board [B].
If the battery jumper is not in the correct position, SC820 will occur.
SM 4-145 D0AP/D0C4/D0C5/D0C6/M0BQ/M0D1
Electrical Components